Olwyn
- US rank
- Unranked
- Syllables
- 2
- Peak
- #4,594 in 1917
0 babies were named Olwyn in the US in 2025.
Found on lists
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US births per million girls, 1917–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Olwyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryOlwyn first shows up in US birth records in 1917, the first year at least 5 babies got it. It has been in use for 108 years since.
- Best yearIts best year was 1917, when it reached #4,594.
About the name Olwyn
Olwyn is a girl name of Celtic and Welsh origin. It has 5 letters and 2 syllables, starting with O and ending in “-wyn”. US birth records list Olwyn for girls from 1917 to 2024, in 4 of those 108 years. Its best year was 1917, when it ranked #4,594 among girl names. It hasn't been given to 5 or more US babies in a year since 2024, so today it's a genuinely rare choice.
Origin:Celtic namesWelsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 1.5 | 652,174 girls |
| 1970s | 0.3 | 2,941,176 girls |
| 2010s | 0.3 | 3,571,429 girls |
| 2020s | 0.7 | 1,351,351 girls |
More Celtic girl names
- Girl name: Evelyn · possibly desired
- Girl name: Isla · from Islay
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Quinn · descendant of Conn
- Unisex name: Blair · plain, field
- Girl name: Olive · olive tree
Questions about the name Olwyn
What is the origin of the name Olwyn?
Olwyn has Celtic, Welsh roots in our records. Other Celtic names include Evelyn, Isla, Riley.
Is Olwyn a boy or girl name?
Olwyn is a girl name.
How popular is the name Olwyn?
Olwyn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2024. It peaked at #4,594 in 1917.